试题与答案

男,15岁。因发热、乏力、刷牙时牙龈出血1周入院。查体:T 38.5C,牙龈肿胀,胸

题型:单项选择题

题目:

男,15岁。因发热、乏力、刷牙时牙龈出血1周入院。查体:T 38.5C,牙龈肿胀,胸骨压痛(+),双下肢小腿出现散在出血点及瘀斑。血常规:Hb 80g/L,WBC 10.1 x 109/L,Plt 30 x 109/L;骨髓增生极度活跃,原始细胞占0.60,POX染色呈弱阳性,非特异性酯酶染色阳性,可被NaF 抑制,该患者原始细胞最可能的免疫表型是

A.CD14+

B.CD41+

C.CD8+

D.CD3+

E.CD4+

答案:

参考答案:A

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